Paper Bridge STEM Challenge Worksheet

Science experiments lesson 26: Paper bridge challenge · Set 577 · 40 questions

What you do (Shape makes strength): 1. Place two books 15 cm apart, low and steady. 2. Lay a flat sheet across and add coins one by one in the middle until it falls. 3. Fold the same kind of sheet into a zigzag and test it the same way. 4. Record the coins each shape holds, then wash your hands.

1. 1.🏗️ Which of these gets its strength from arches or domes? (a) an electric tower (b) a hollow bird bone (c) an old stone bridge (d) a bamboo pole
2. 2.🧺 Do we need a ruler for the paper bridge? (a) not needed (b) needed
3. 3.🌉 Does a U-shaped channel make a strong or a weak bridge? (a) weak bridge (b) strong bridge
4. 4.True or false: paper with folded edges makes a weak bridge. (a) False (b) True
5. 5.⚖️ Fair test — which paper shape holds the most coins? What do we do with “coins it holds”? (a) we keep it the same (b) we measure it (c) we change it
6. 6.🧺 Do we need coins for the paper bridge? (a) needed (b) not needed
7. 7.True or false: yeast is not needed for the paper bridge. (a) True (b) False
8. 8.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) turmeric powder (b) a ruler (c) sheets of paper (d) coins
9. 9.🛟 How should the two books be placed for the paper bridge? (a) on a stool edge (b) on top of a pet (c) high and wobbly (d) low and steady
10. 10.⚖️ Fair test — which paper shape holds the most coins? True or false: where coins are placed is kept the same. (a) False (b) True
11. 11.True or false: a ruler is needed for the paper bridge. (a) False (b) True
12. 12.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of coins is kept the same. (a) True (b) False
13. 13.True or false: turmeric powder is not needed for the paper bridge. (a) False (b) True
14. 14.True or false: a roof frame gets its strength from triangles. (a) False (b) True
15. 15.🌉 Does paper with folded edges make a strong or a weak bridge? (a) strong bridge (b) weak bridge
16. 16.🔮 Predict: the gap between the books gets wider. The bridge holds ___. (a) only water (b) fewer coins (c) more coins (d) the same coins
17. 17.🔮 Predict: you put the coins in the middle instead of near the ends. The bridge bends ___. (a) less (b) more (c) upward (d) not at all
18. 18.🧺 Do we need a battery cell for the paper bridge? (a) not needed (b) needed
19. 19.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) a zigzag-folded sheet (c) a wet flat sheet (d) rolled paper tubes
20. 20.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) a ruler (b) a magnet (c) two books (d) coins
21. 21.⚖️ Fair test — which paper shape holds the most coins? Which of these is what we measure? (a) the gap between books (b) the kind of paper (c) where coins are placed (d) coins it holds
22. 22.🏗️ Which of these gets its strength from a tube shape? (a) an old stone bridge (b) a bridge truss (c) a bamboo pole (d) a temple dome
23. 23.🔺 Which shape do engineers use in bridges and towers because it keeps its shape under a push? (a) the heart shape (b) the star (c) the square (d) the triangle
24. 24.🔍 Which is the odd one out? (a) a wet flat sheet (b) a torn flat sheet (c) one flat sheet (d) a zigzag-folded sheet
25. 25.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is kept the same. (a) True (b) False
26. 26.🧺 Which of these is not needed for the paper bridge? (a) yeast (b) a ruler (c) sheets of paper (d) two books
27. 27.⚖️ Fair test — which paper shape holds the most coins? True or false: the kind of paper is the one thing we change. (a) True (b) False
28. 28.⚖️ Fair test — which paper shape holds the most coins? Which of these is the one thing we change? (a) where coins are placed (b) the shape of the paper (c) coins it holds (d) the kind of paper
29. 29.True or false: coins is not needed for the paper bridge. (a) True (b) False
30. 30.🔮 Predict: you make more, closer zigzag folds. The bridge holds ___ coins. (a) zero (b) fewer (c) more (d) the same number of
31. 31.🌉 Does a flat tissue make a strong or a weak bridge? (a) strong bridge (b) weak bridge
32. 32.⚖️ Fair test — which paper shape holds the most coins? What do we do with “where coins are placed”? (a) we change it (b) we keep it the same (c) we measure it
33. 33.True or false: a roof frame gets its strength from arches or domes. (a) False (b) True
34. 34.🌉 Which of these makes a strong bridge? (a) paper with folded edges (b) a flat tissue (c) a torn flat sheet (d) one flat sheet
35. 35.True or false: a round pillar gets its strength from a tube shape. (a) False (b) True
36. 36.🌉 Which of these makes a weak bridge? (a) a U-shaped channel (b) one flat sheet (c) rolled paper tubes (d) a zigzag-folded sheet
37. 37.🛟 Coins have been touched by many hands. After the experiment you should ___. (a) skip washing (b) rub your eyes (c) lick your fingers (d) wash your hands
38. 38.🏗️ Where does a hollow bird bone get its strength from? (a) tubes (b) arches and domes (c) triangles
39. 39.🔍 Which is the odd one out? (a) paper with folded edges (b) rolled paper tubes (c) one flat sheet (d) a U-shaped channel
40. 40.🧺 Three of these are needed for the paper bridge. Which one is NOT needed? (a) sheets of paper (b) a ruler (c) a battery cell (d) two books

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